avoid flashing

public/stylesheets/style.css

@@ -74,4 +74,8 @@ input {
 button {
   cursor: pointer;
   height: 34px;
+}
+
+[v-cloak] {
+  display: none;
 }

views/password.pug

@@ -8,7 +8,7 @@ block content
   li cia0Antaniqwer10102018
   li Tr0ub4dour&3
   br
-  #app
+  #app(v-cloak)
     input(
       type='password',
       v-model='password',